Tensei shitara Slime Datta Ken (Japanese: 転生したらスライムだった件 Hepburn: Tensei Shitara Suraimu Datta Ken) is a Japanese fantasy light novel series written by Fuse, and illustrated by Mitz Vah. It was serialized online between 2013 and 2016 on the usergenerated novel publishing website Shōsetsuka ni Narō. It was acquired by Micro Magazine, who published the first light novel volume in 2014. Fifteen volumes have been released as of September 2019. The light novel has been licensed in North America by Yen Press.
Thirtysevenyearold Satoru Mikami is a typical corporate worker, who is perfectly content with his monotonous lifestyle in Tokyo, other than failing to nail down a girlfriend even once throughout his life. In the midst of a casual encounter with his colleague, he falls victim to a random assailant on the streets and is stabbed. However, while succumbing to his injuries, a peculiar voice echoes in his mind, and recites a bunch of commands which the dying man cannot make sense of

 That Time I Got Reincarnated As A Slime, Chapter 89
 That Time I Got Reincarnated As A Slime, Chapter 88
 That Time I Got Reincarnated As A Slime, Chapter 87
 That Time I Got Reincarnated As A Slime, Chapter 86
 That Time I Got Reincarnated As A Slime, Chapter 85
 That Time I Got Reincarnated As A Slime, Chapter 84
 That Time I Got Reincarnated As A Slime, Chapter 83
 That Time I Got Reincarnated As A Slime, Chapter 82
 That Time I Got Reincarnated As A Slime, Chapter 81
 That Time I Got Reincarnated As A Slime, Chapter 80
 That Time I Got Reincarnated As A Slime, Chapter 79
 That Time I Got Reincarnated As A Slime, Chapter 78
 That Time I Got Reincarnated As A Slime, Chapter 77
 That Time I Got Reincarnated As A Slime, Chapter 76
 That Time I Got Reincarnated As A Slime, Chapter 75
 That Time I Got Reincarnated As A Slime, Chapter 74
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 That Time I Got Reincarnated As A Slime, Chapter 72
 That Time I Got Reincarnated As A Slime, Chapter 71
 That Time I Got Reincarnated As A Slime, Chapter 70.6
 That Time I Got Reincarnated As A Slime, Chapter 70.5
 That Time I Got Reincarnated As A Slime, Chapter 70
 That Time I Got Reincarnated As A Slime, Chapter 69
 That Time I Got Reincarnated As A Slime, Chapter 68
 That Time I Got Reincarnated As A Slime, Chapter 67.5
 That Time I Got Reincarnated As A Slime, Chapter 67
 That Time I Got Reincarnated As A Slime, Chapter 66
 That Time I Got Reincarnated As A Slime, Chapter 65
 That Time I Got Reincarnated As A Slime, Chapter 64
 That Time I Got Reincarnated As A Slime, Chapter 63.5
 That Time I Got Reincarnated As A Slime, Chapter 63
 That Time I Got Reincarnated As A Slime, Chapter 62
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 That Time I Got Reincarnated As A Slime, Chapter 59
 That Time I Got Reincarnated As A Slime, Chapter 58.5
 That Time I Got Reincarnated As A Slime, Chapter 58
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 That Time I Got Reincarnated As A Slime, Chapter 56
 That Time I Got Reincarnated As A Slime, Chapter 55
 That Time I Got Reincarnated As A Slime, Chapter 54
 That Time I Got Reincarnated As A Slime, Chapter 53
 That Time I Got Reincarnated As A Slime, Chapter 52.5
 That Time I Got Reincarnated As A Slime, Chapter 52
 That Time I Got Reincarnated As A Slime, Chapter 51
 That Time I Got Reincarnated As A Slime, Chapter 50
 That Time I Got Reincarnated As A Slime, Chapter 49
 That Time I Got Reincarnated As A Slime, Chapter 48
 That Time I Got Reincarnated As A Slime, Chapter 47.5
 That Time I Got Reincarnated As A Slime, Chapter 47
 That Time I Got Reincarnated As A Slime, Chapter 46
 That Time I Got Reincarnated As A Slime, Chapter 45
 That Time I Got Reincarnated As A Slime, Chapter 44
 That Time I Got Reincarnated As A Slime, Chapter 43.5
 That Time I Got Reincarnated As A Slime, Chapter 43
 That Time I Got Reincarnated As A Slime, Chapter 42
 That Time I Got Reincarnated As A Slime, Chapter 41
 That Time I Got Reincarnated As A Slime, Chapter 40
 That Time I Got Reincarnated As A Slime, Chapter 39.5
 That Time I Got Reincarnated As A Slime, Chapter 39
 That Time I Got Reincarnated As A Slime, Chapter 38
 That Time I Got Reincarnated As A Slime, Chapter 37
 That Time I Got Reincarnated As A Slime, Chapter 36
 That Time I Got Reincarnated As A Slime, Chapter 35.5
 That Time I Got Reincarnated As A Slime, Chapter 35
 That Time I Got Reincarnated As A Slime, Chapter 34
 That Time I Got Reincarnated As A Slime, Chapter 33
 That Time I Got Reincarnated As A Slime, Chapter 32
 That Time I Got Reincarnated As A Slime, Chapter 31.5
 That Time I Got Reincarnated As A Slime, Chapter 31
 That Time I Got Reincarnated As A Slime, Chapter 30
 That Time I Got Reincarnated As A Slime, Chapter 29
 That Time I Got Reincarnated As A Slime, Chapter 28
 That Time I Got Reincarnated As A Slime, Chapter 27.5
 That Time I Got Reincarnated As A Slime, Chapter 27
 That Time I Got Reincarnated As A Slime, Chapter 26
 That Time I Got Reincarnated As A Slime, Chapter 25
 That Time I Got Reincarnated As A Slime, Chapter 24
 That Time I Got Reincarnated As A Slime, Chapter 23
 That Time I Got Reincarnated As A Slime, Chapter 22.5
 That Time I Got Reincarnated As A Slime, Chapter 22
 That Time I Got Reincarnated As A Slime, Chapter 21
 That Time I Got Reincarnated As A Slime, Chapter 20
 That Time I Got Reincarnated As A Slime, Chapter 19
 That Time I Got Reincarnated As A Slime, Chapter 18
 That Time I Got Reincarnated As A Slime, Chapter 17.5
 That Time I Got Reincarnated As A Slime, Chapter 17
 That Time I Got Reincarnated As A Slime, Chapter 16
 That Time I Got Reincarnated As A Slime, Chapter 15
 That Time I Got Reincarnated As A Slime, Chapter 14
 That Time I Got Reincarnated As A Slime, Chapter 13
 That Time I Got Reincarnated As A Slime, Chapter 12
 That Time I Got Reincarnated As A Slime, Chapter 11.5
 That Time I Got Reincarnated As A Slime, Chapter 11
 That Time I Got Reincarnated As A Slime, Chapter 10
 That Time I Got Reincarnated As A Slime, Chapter 9
 That Time I Got Reincarnated As A Slime, Chapter 8
 That Time I Got Reincarnated As A Slime, Chapter 7
 That Time I Got Reincarnated As A Slime, Chapter 6.5
 That Time I Got Reincarnated As A Slime, Chapter 6
 That Time I Got Reincarnated As A Slime, Chapter 5
 That Time I Got Reincarnated As A Slime, Chapter 4
 That Time I Got Reincarnated As A Slime, Chapter 3
 That Time I Got Reincarnated As A Slime, Chapter 2
 That Time I Got Reincarnated As A Slime, Chapter 1